Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Sultanbeyli is from July, August, September. — consistent weather climate
☀️Pleasant
| Score | 17 | 29 | 33 | 66 | 84 | 84 | 89 | 91 | 86 | 86 | 57 | 36 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Mild | Mild | Pleasant | Pleasant | Pleasant | Pleasant | Mild | Cool & rainy | Cold |
| Temperature | 4–10°C | 4–11°C | 4–12°C | 8–17°C | 12–21°C | 17–26°C | 20–29°C | 21–30°C | 18–25°C | 13–21°C | 9–16°C | 7–13°C |
| Feels like | 0–6°C | 0–8°C | 1–9°C | 6–15°C | 10–21°C | 18–27°C | 22–30°C | 23–31°C | 18–25°C | 12–19°C | 7–14°C | 4–10°C |
| Precipitation | 100mm 14 days | 76mm 12 days | 89mm 15 days | 75mm 11 days | 53mm 9 days | 58mm 9 days | 43mm 5 days | 31mm 4 days | 50mm 7 days | 47mm 8 days | 106mm 9 days | 85mm 12 days |
| Sunshine | 5.3h ☀︎ 55% | 7.0h ☀︎ 66% | 6.8h ☀︎ 57% | 9.4h ☀︎ 71% | 11.6h ☀︎ 80% | 12.9h ☀︎ 86% | 13.4h ☀︎ 91% | 12.6h ☀︎ 91% | 11.0h ☀︎ 88% | 8.8h ☀︎ 79% | 7.1h ☀︎ 72% | 5.2h ☀︎ 56% |
| Wind | NE · 21 km/h | N · 21 km/h | NE · 19 km/h | NE · 20 km/h | NE · 19 km/h | NE · 18 km/h | NE · 22 km/h | NE · 22 km/h | NE · 21 km/h | NE · 19 km/h | NE · 20 km/h | E · 19 km/h |
| Humidity (%) | 78% | 77% | 78% | 74% | 73% | 74% | 69% | 70% | 71% | 76% | 77% | 80% |
| Day length | 9.6h | 10.6h | 12.0h | 13.3h | 14.5h | 15.1h | 14.8h | 13.8h | 12.5h | 11.1h | 9.9h | 9.3h |
While standard travel wisdom steers visitors to the heat of midsummer, Sultanbeyli is best navigated in October, when the dense inland bustle eases and the autumn air cools the concrete streets without bringing the downpours of late fall.
Sultanbeyli is not a postcard of the Bosphorus. Tucked well inland on the Asian side of Istanbul, wedged between the commuter hubs of Sancaktepe, Pendik, and Kartal, this is a working, landlocked district of dense residential blocks, bustling market avenues, and relentless everyday motion. People come here to witness Istanbul stripped of its tourist veneer, to connect through its major transit spines, or to use the metro stops at Hasanpaşa and Sultanbeyli as launchpads into the surrounding hills. Without sea breezes to temper the asphalt or soften the damp cold, timing matters immensely. A slight shift in the calendar alters whether the district feels like a lively urban community or an exhausting, grey bottleneck.
Standard travel guides instinctively push visitors toward August for the promise of reliable sunshine, but in an inland district like Sultanbeyli, that advice is flawed. August is an oven of radiating concrete, heavy crowds, and stifling humidity. October, by contrast, is the single sweet spot of the year where the environment works in your favor.
The suffocating foot traffic of late summer thins out, giving the pedestrian avenues and neighborhood markets room to move. Daytime temperatures hover around a comfortable 21 degrees, making walking between local bakeries and open-air bazaars a pleasure rather than an endurance test. The air is crisp, the light over the apartment ridges softens, and rain remains a gentle, rare interruption rather than a day-ruining deluge.
Visiting in October means seeing the district at its most genuine. You can ride the metro to Hasanpaşa and wander out into quiet residential streets without jostling for space, observing school runs, neighborhood tea houses, and tradespeople at a humane pace. If you are here to understand everyday life on Istanbul's eastern periphery, this is the month to do it.
Before the intense inland heat clamps down, May and early June offer a rare window of vitality. The bitter chill of the Anatolian winter has entirely vanished, replaced by long, bright afternoons that draw entire families into neighborhood squares and hillside parks.
May is particularly forgiving. The streets are lively without tipping into the claustrophobic rush of high season, and the air stays clean and dry. It is one of the few stretches of the calendar when walking the full expanse between Sancaktepe and Sultanbeyli feels effortless. The pavement has not yet absorbed months of baking sun, and the evening breeze cools the district quickly after sunset.
By June, the energy picks up noticeably. Days stretch out with uninterrupted sunshine, tea gardens fill up late into the night, and market stalls groan under the weight of early summer stone fruit. It is warmer and busier than spring, but still far more manageable than the crushing weeks that immediately follow.
Midsummer in Sultanbeyli is an uncompromising test of endurance. Because the district sits completely landlocked, it receives none of the maritime relief enjoyed by the coastal shores down toward Pendik and Kartal. The sun beats directly down on miles of pavement, and apparent temperatures regularly push past 31 degrees.
From July through August, the neighborhood feels trapped under a thermal dome. The metro stations offer momentary sanctuary, but emerging above ground into the midday glare is jarring. The streets clear out during the hottest hours, with residents staying indoors until the late evening sun begins to dip. When the crowds return after dark, the air remains thick and sweltering, radiating heat back up from the tarmac.
September offers only marginal relief. While the calendar technically turns to autumn, the heat lingers persistently through the early weeks, accompanied by dense crowds returning from summer breaks. Unless your travel strictly demands it, visiting during this quarter will leave you spending most of your hours seeking shade and air conditioning.
November is the great contradiction of Sultanbeyli's year. While visitors often imagine late autumn as a sleepy shoulder period, the district hits its absolute peak of density and foot traffic just as the weather deteriorates sharply.
This is the wettest and most turbulent month on the calendar. Rains here do not arrive as a polite mist; they fall in heavy, driving downpours that overwhelm storm drains and turn commuter crossings into slick obstacles. Traffic on the main arteries connecting toward Sancaktepe grinds to an absolute crawl under the deluge.
Navigating Sultanbeyli in November means contending with packed buses, overcrowded metro concourses at the Sultanbeyli terminal, and dripping umbrellas crammed into narrow sidewalks. It is raw, grey, and frantic—the exact opposite of a relaxed cultural excursion. Unless you thrive on chaotic urban momentum under steel-colored skies, keep away.
Winter in Sultanbeyli is cold, damp, and deeply inward-looking. The district empties of casual wanderers as early darkness and biting northern winds drive daily life behind heavy curtains and steamy shop windows. Crowd levels plunge to their yearly low, but the weather offers little incentive to take advantage of the empty streets.
Temperatures hover just above freezing, and the moisture in the air makes the cold cut right through heavy coats. Sleet, cold drizzle, and occasional dusting of snow sweep down from the high ground, leaving the hills bordering Pendik shrouded in low fog. Grey tones dominate every corner of the urban landscape.
Yet for travelers who genuinely want unvarnished reality without another outsider in sight, this quiet season has a stark honesty. Stepping inside a local soup salon for hot lentil broth while rain lashes the windows captures an essential side of Istanbul working life. Just arrive with serious waterproof boots, thermal layers, and low expectations for outdoor wandering.